This diving watch DVR is waterproof to a depth of 30m. This model has three times the resolution & twice the frame rate of most watch DVRs on the market. It can record up to 4 hours of full colour 720P (1280 x 720) video at 30fps with audio onto its 32GB of internal flash memory. Video compression: AVI video format, 720P 1280 x 720 Voice recording: Yes Flash Memory: 32GB Frame rate: 30 frames / second Recording mode :continuous recording until memory is full or manually off Time / Date stamp Adaptor type: USB (Universal Serial Bus) adaptor charging cable Battery type: Lithium-ion Battery use time: about 5hours Colour video with voice lets you clearly see who’s there & hear what they say Playback video on your TV with included connector or view on PC 1 Years guarantee It Serves as mini-camcorder, stills camera and voice recorder as well as a real working watch. Simply plug the watch into a PC using the USB (Universal Serial Bus) cable provided to access the recordings.